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We study the formation and detection at the next linear e^+e^- collider of bound states of level-1 quark Kaluza-Klein excitations B_KK within a scenario of universal extra-dimensions (UED). The interactions of such Kaluza-Klein excitations…

High Energy Physics - Phenomenology · Physics 2015-03-13 Nicola Fabiano , Orlando Panella

In this paper we investigate the phenomenological implications of boundary localized terms (BLTs) in the model of Universal Extra Dimensions (UED). In particular, we study the electroweak Kaluza-Klein mass spectrum resulting from BLTs and…

High Energy Physics - Phenomenology · Physics 2009-11-13 Thomas Flacke , A. Menon , Daniel J. Phalen

We study the dilepton-dijet signal in the dominant Higgs production channel at a linear e+ e- collider. We estimate the effects of Universal Extra Dimension (UED) by a simple analysis of the cross-sections. The heavy Kaluza-Klein…

High Energy Physics - Phenomenology · Physics 2008-11-26 Anindya Datta , Santosh Kumar Rai

Recently it has been pointed out that the characteristic quantum-gravity scale could be as low as the weak scale in theories with gravity propagating in higher dimensions. The observed smallness of Newton's constant is a consequence of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gian F. Giudice , Riccardo Rattazzi , James D. Wells

In the Two-Higgs-Doublet Model(2HDM) with large extra dimensions(LED), we study the contributions of virtual Kaluza-Klein(KK) gravitons to 2HDM charged Higgs production, especially in the two important production processes $e^+e^-\to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Qiang Li , Chong Sheng Li , Robert J. Oakes , Li Lin Yang

In this review we summarize the ongoing effort to study extra-dimensional gauge theories with lattice simulations. In these models the Higgs field is identified with extra-dimensional components of the gauge field. The Higgs potential is…

High Energy Physics - Lattice · Physics 2016-08-10 Francesco Knechtli , Enrico Rinaldi

We analyze signals at the Large Hadron Collider (LHC) from production and decay of Kaluza-Klein (KK) gravitons in the context of "extended" warped extra-dimensional models, where the standard model (SM) Higgs and fermion fields are…

High Energy Physics - Phenomenology · Physics 2020-12-30 Kaustubh Agashe , Majid Ekhterachian , Doojin Kim , Deepak Sathyan

The prospect of large extra dimensions and an effective theory of gravity at around a TeV has interesting experimental consequences. In these models, the Kaluza-Klein modes interact with Standard Model particles and these interactions lead…

High Energy Physics - Phenomenology · Physics 2009-10-31 Prakash Mathews , Sreerup Raychaudhuri , K. Sridhar

In a five-dimensional model with one Universal Extra Dimension (UED), signals for a pair of n = 1 Kaluza-Klein excitations could be easily observed at a future e+ e- collider if the process in question is kinematically allowed. However,…

High Energy Physics - Phenomenology · Physics 2008-12-30 B. Bhattacherjee , A. Kundu , S. K. Rai , S. Raychaudhuri

We calculate the contributions of the Kaluza-Klein (KK) modes to the K_L-K_S mass difference \Delta M_K, the parameter \epsilon_K, the B^0_{d,s}-\bar B^0_{d,s} mixing mass differences \Delta M_{d,s} and rare decays K^+\to \pi^+\nu\bar\nu,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrzej J. Buras , Michael Spranger , Andreas Weiler

In order to investigate the phenomenological implications of warped spaces in more than five dimensions, we consider a $4+1+\delta$ dimensional extension to the Randall and Sundrum model in which the space is warped with respect to a single…

High Energy Physics - Phenomenology · Physics 2015-03-17 Paul R. Archer , Stephan J. Huber

We discuss the signatures, at the LHC, of the (1,0)-th Kaluza-Klein (KK) gluon and quarks in the framework of the two universal extra dimensional (2UED) model. Once produced, these particles typically suffer a cascade of decays terminating…

High Energy Physics - Phenomenology · Physics 2015-05-30 Debajyoti Choudhury , Anindya Datta , Dilip Kumar Ghosh , Kirtiman Ghosh

We explore the collider phenomenology of the fat-brane realization of the Minimal Universal Extra Dimension (mUED) model, where Standard Model (SM) fields propagate in a small extra dimension while gravity accesses additional large extra…

High Energy Physics - Phenomenology · Physics 2024-12-13 Kirtiman Ghosh , Katri Huitu , Rameswar Sahu

We investigate whether models with flat extra dimensions in which SM fields propagate can give a significant contribution to the anomalous magnetic moment of the muon (MMM). In models with only SM gauge and Higgs fields in the bulk, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Agashe , N. G. Deshpande , G. -H. Wu

We study the gravitational corrections to the Maxwell, Dirac and Klein-Gorden theories in the large extra dimension model in which the gravitons propagate in the (4+n)-dimensional bulk, while the gauge and matter fields are confined to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Feng Wu , Ming Zhong

A five dimensional supersymmetric model is constructed which reduces to the one Higgs-doublet standard model at low energies. The radiative correction to the Higgs potential is finite and calculable, allowing the Higgs mass prediction of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yasunori Nomura

We propose a new geometry and/or topology of a single extra dimension whose Kaluza-Klein excitations do appear at much higher scale than the inverse of the length/volume. For a single extra dimenion with volume $N\pi\rho$ which is made of N…

High Energy Physics - Theory · Physics 2009-11-11 Hyung Do Kim

We study the effect of one universal extra dimension on the branching ratios of the lepton flavor violating processes \mu\to e\gamma and \tau\to \mu\gamma in the general two Higgs doublet model. We observe that these new effects are tiny…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Iltan

We discuss collider signatures of (1,1)-th Kaluza-Klein (KK) mode vector bosons in the framework of two universal extra dimension model, at a future electron-positron collider. Production of the (1,1)-th KK mode of electro-weak vector…

High Energy Physics - Phenomenology · Physics 2009-04-21 Kirtiman Ghosh , Anindya Datta

We show that the bound from the electroweak data on the size of extra dimensions accessible to all the standard model fields is rather loose. These "universal" extra dimensions could have a compactification scale as low as 300 GeV for one…

High Energy Physics - Phenomenology · Physics 2014-11-17 Thomas Appelquist , Hsin-Chia Cheng , Bogdan A. Dobrescu
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